Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

mathcalculus Group Title

find the critical points: s(t)= (t-1)^4 (t+5)^3

  • one year ago
  • one year ago

  • This Question is Closed
  1. mathcalculus Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    first we find the derivative.. i know that.. then...?

    • one year ago
  2. Yahoo! Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    then equate it to 0

    • one year ago
  3. jennychan12 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    set it = 0

    • one year ago
  4. mathcalculus Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    but wait, im confused to find the derivative for this one..

    • one year ago
  5. Yahoo! Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    s'(t) =0

    • one year ago
  6. jennychan12 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    chain rule/product rule

    • one year ago
  7. mathcalculus Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    its 4(t-1)^3 3(t+5)^2

    • one year ago
  8. Yahoo! Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Yup

    • one year ago
  9. mathcalculus Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    what's next after it? i'm a little lost after it

    • one year ago
  10. Yahoo! Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    4(t-1)^3 3(t+5)^2 = 0

    • one year ago
  11. Yahoo! Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Now Find t

    • one year ago
  12. mathcalculus Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    what about chain rule?

    • one year ago
  13. jennychan12 Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    doesnt apply here because derviative of t is just 1

    • one year ago
  14. Yahoo! Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    if ur function is of the type (t^2 + 2)^4 then s'(t) = 4 (t^2+2) * 2t

    • one year ago
  15. Yahoo! Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    sorry s'(t) = 4 (t^2+2)^3 * 2t

    • one year ago
  16. mathcalculus Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    oh right.

    • one year ago
  17. mathcalculus Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    so if the derivative of t is 1 then how do i solve t?

    • one year ago
  18. mathcalculus Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    sorry imm not sure what to do after ... 4(t-1)^3 3(t+5)^2

    • one year ago
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.